Fiber optic current sensor temperature compensation through RBF neural network

Author(s):  
Chen Liu ◽  
Ding Wang ◽  
Chenggang Li ◽  
Kuo Su ◽  
Dexin Li ◽  
...  
2012 ◽  
Vol 236-237 ◽  
pp. 1232-1237
Author(s):  
Yan Ren ◽  
Duan Xu ◽  
Fang Ling Qin

There is a nonlinear measurement error of the vibration-cylinder air-pressure sensor when the environment temperature changes; To solve the problem, the paper carried out a research on vibration-cylinder air-pressure sensor temperature compensation based on radial basis function(RBF) neural network; The temperature error characteristics of the sensor was studied; The sensor temperature compensation of RBF neural network structures and algorithms was designed; The centers, variances, weights, and the hidden layer neuron number of the radial basis function were determined. The experiments showed that the trained RBF neural network can approximate the input-output relationship of the vibration-cylinder air-pressure sensor in high accuracy.


2010 ◽  
Vol 437 ◽  
pp. 314-318 ◽  
Author(s):  
Nikolay I. Starostin ◽  
Maksim V. Ryabko ◽  
Yurii K. Chamorovskii ◽  
Vladimir P. Gubin ◽  
Aleksandr I. Sazonov ◽  
...  

The interferometric electric current fiber-optic sensor for application in industry is presented. The modified spun fiber is used for sensitive fiber coil of sensor. The sensor has accuracy of 0.5% at temperature range from -40°C to 60°C without necessity of additional temperature compensation. The range of measured current is 15 – 250 kA. A frequency band is 0 – 5000 Hz and a nonlinearity of a sensor output is ±0.15%.


2019 ◽  
Vol 10 (1) ◽  
pp. 70-75 ◽  
Author(s):  
Wei He

Abstract Computational neuroscience has been widely used in fiber optic sensor signal output. This paper introduces a method for processing the Surface Roughness Fiber Optic Sensor output signals with a radial basis function neural network. The output signal of the sensor and the laser intensity signal as the light source are added to the input of the RBF neural network at the same time, and with the ability of the RBF neural network to approach the non-linear function with arbitrary precision, to achieve the nonlinear compensation of the sensor and reduction of the effect of changes in laser output light intensity at the same time. The Surface Roughness Fiber Optic Sensor adopting this method has low requirements on the stability of the output power of laser, featuring large measuring range, high accuracy, good repeatability, measuring of special surfaces such as minor area, and the bottom surface of holed etc. The measurements were given and various factors that affect the measurement were analyzed and discussed.


2014 ◽  
Vol 22 (11) ◽  
pp. 2975-2982 ◽  
Author(s):  
史震 SHI Zhen ◽  
陈帅 CHEN Shuai ◽  
张健 ZHANG Jian ◽  
赵琳 ZHAO Lin ◽  
孙骞 SUN Qian

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